... Tonight's Sky . ... Star Atlas . ... stars . ... Thermonuclear supernova ejects galaxyт??s fastest star . ... STARS | ... While this illustration shows the supernova (bottom center) and the ejected star (left) at the same time, in reality the supernova would have been faded away long before the star reached that position. ... In contrast to the other known unbound stars, the team showed that this compact star was ejected from an extremely tight binary by a thermonuclear supernova explosion. ...